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Remove non-utf8 characters from string
... from string, which are not displaying properly. Characters are like this 0x97 0x61 0x6C 0x6F (hex representation)
18 Answe...
Why does the order of the loops affect performance when iterating over a 2D array?
Below are two programs that are almost identical except that I switched the i and j variables around. They both run in different amounts of time. Could someone explain why this happens?
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Which equals operator (== vs ===) should be used in JavaScript comparisons?
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What does the unary plus operator do?
... and tend to relate to the consequences of using a value in an arithmetic expression, rather than the operator itself. For example, it can be used to force widening from smaller integral types to int, or ensure that an expression's result is treated as an rvalue and therefore not compatible with a ...
Reading a binary file with python
...ry file, but in this case I don't know the byte structure in details. For example, I figured out that sometimes there is the integer 8. However, with IDL it is really simple to read this data. Can I do the same with python?
– Brian
Jan 4 '12 at 9:45
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Choosing between qplot() and ggplot() in ggplot2 [closed]
...on depends on whether data is stored in data.frame or separate variables.
x<-1:10
y<-rnorm(10)
qplot(x,y, geom="line") # I will use this
ggplot(data.frame(x,y), aes(x,y)) + geom_line() # verbose
d <- data.frame(x, y)
qplot(x, y, data=d, geom="line")
ggplot(d, aes(x,y)) + geom_line() # ...
How do I output coloured text to a Linux terminal?
How do I print coloured characters to a Linux terminal that supports it?
13 Answers
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Finding the index of elements based on a condition using python list comprehension
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In Python, you wouldn't use indexes for this at all, but just deal with the values—[value for value in a if value > 2]. Usually dealing with indexes means you're not doing something the best way.
If you do need an API similar to Matlab's, you would use...
How to set top-left alignment for UILabel for iOS application?
...ts required to have top-left alignment for that lable. As I am providing text at runtime so its not sure that how much lines there are.
So if text contains only single line then it appears as vertical-center aligned. That alignment is not matching with my respective lable in front of it.
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Converting an integer to a hexadecimal string in Ruby
Is there a built in way to convert an integer in Ruby into its hexadecimal equivalent?
5 Answers
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